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- <?php
-
- /**
- *
- * Parses for heading text.
- *
- * @category Text
- *
- * @package Text_Wiki
- *
- * @author Paul M. Jones <pmjones@php.net>
- *
- * @license LGPL
- *
- * @version $Id: Heading.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
- *
- */
-
- /**
- *
- * Parses for heading text.
- *
- * This class implements a Text_Wiki_Parse to find source text marked to
- * be a heading element, as defined by text on a line by itself prefixed
- * with a number of plus signs (+). The heading text itself is left in
- * the source, but is prefixed and suffixed with delimited tokens marking
- * the start and end of the heading.
- *
- * @category Text
- *
- * @package Text_Wiki
- *
- * @author Paul M. Jones <pmjones@php.net>
- *
- */
-
- class Text_Wiki_Parse_Heading extends Text_Wiki_Parse {
-
-
- /**
- *
- * The regular expression used to parse the source text and find
- * matches conforming to this rule. Used by the parse() method.
- *
- * @access public
- *
- * @var string
- *
- * @see parse()
- *
- */
-
- var $regex = '/^(\+{1,6}) (.*)/m';
-
- var $conf = array(
- 'id_prefix' => 'toc'
- );
-
- /**
- *
- * Generates a replacement for the matched text. Token options are:
- *
- * 'type' => ['start'|'end'] The starting or ending point of the
- * heading text. The text itself is left in the source.
- *
- * @access public
- *
- * @param array &$matches The array of matches from parse().
- *
- * @return string A pair of delimited tokens to be used as a
- * placeholder in the source text surrounding the heading text.
- *
- */
-
- function process(&$matches)
- {
- // keep a running count for header IDs. we use this later
- // when constructing TOC entries, etc.
- static $id;
- if (! isset($id)) {
- $id = 0;
- }
-
- $prefix = htmlspecialchars($this->getConf('id_prefix'));
-
- $start = $this->wiki->addToken(
- $this->rule,
- array(
- 'type' => 'start',
- 'level' => strlen($matches[1]),
- 'text' => $matches[2],
- 'id' => $prefix . $id ++
- )
- );
-
- $end = $this->wiki->addToken(
- $this->rule,
- array(
- 'type' => 'end',
- 'level' => strlen($matches[1])
- )
- );
-
- return $start . $matches[2] . $end . "\n";
- }
- }
- ?>